Ronald Bertram Aloysius "R. B." Greaves III (28 November 1943 – 27 September 2012) was an American singer who had chart success in 1969 with the pop single "Take a Letter Maria". A number two hit on the Billboard Hot 100 chart, this single sold one million copies, and it earned gold record certification from the Recording Industry Association of America. Greaves also reached the Top 40 in early 1970 with "(There’s) Always Something There to Remind Me".